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Finding the Fourth Proportional to 556,951.96, 768,594.48 and 302,303.20

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Solution

The fourth proportional to 556,951.96, 768,594.48 and 302,303.20 is: 417,178.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,951.96 : 768,594.48 = 302,303.20 : x
  2. Step 2: Convert to fraction form
    556,951.96/768,594.48 = 302,303.20/x
  3. Step 3: Cross multiply
    556,951.96x = 768,594.48 × 302,303.20
  4. Step 4: Simplify right side
    556,951.96x = 232,348,570,806.34
  5. Step 5: Solve for x
    x = 232,348,570,806.34/556,951.96
  6. Step 6: Final answer
    x = 417,178.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.